Add Linux Variable Writing Script

[os-d]

Description

This adds a Python script to write UEFI variables to and from config bins from Linux. The current support is only for Windows.

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• Impacts functionality?
  • Functionality - Does the change ultimately impact how firmware functions?
  • Examples: Add a new library, publish a new PPI, update an algorithm, ...
• Impacts security?
  • Security - Does the change have a direct security impact on an application,
    flow, or firmware?
  • Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
• Breaking change?
  • Breaking change - Will anyone consuming this change experience a break
    in build or boot behavior?
  • Examples: Add a new library class, move a module to a different repo, call
    a function in a new library class in a pre-existing module, ...
• Includes tests?
  • Tests - Does the change include any explicit test code?
  • Examples: Unit tests, integration tests, robot tests, ...
• Includes documentation?
  • Documentation - Does the change contain explicit documentation additions
    outside direct code modifications (and comments)?
  • Examples: Update readme file, add feature readme file, link to documentation
    on an a separate Web page, ...

How This Was Tested

Tested in Ubuntu 24.04 with the QemuQ35 virtual platform using mu_feature_config as well as on physical platforms using it.

Integration Instructions

Run the same flows as for the Windows script, the scripts will automatically detect that this is run from Linux and choose the right script. It needs to be run as sudo.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 23 lines in your changes are missing coverage. Please review.

Project coverage is 36.22%. Comparing base (3d2bcc4) to head (d9928ba).

❗ Current head d9928ba differs from pull request most recent head 521d59a

Please upload reports for the commit 521d59a to get more accurate results.

Files	Patch %	Lines
SetupDataPkg/Tools/ReadUefiVarsToConfVarList.py	0.00%	12 Missing ⚠️
SetupDataPkg/Tools/WriteConfVarListToUefiVars.py	0.00%	11 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #353      +/-   ##
==========================================
- Coverage   36.29%   36.22%   -0.07%     
==========================================
  Files          31       31              
  Lines        6246     6258      +12     
  Branches      449      449              
==========================================
  Hits         2267     2267              
- Misses       3977     3989      +12     
  Partials        2        2              

Flag	Coverage Δ
Linux	27.56% <0.00%> (-0.08%)	⬇️

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